CN102730893B - Waste water microwave photocatalytic degradation processing unit for preventing membrane separation component from thermal etching damage - Google Patents
Waste water microwave photocatalytic degradation processing unit for preventing membrane separation component from thermal etching damage Download PDFInfo
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- CN102730893B CN102730893B CN201210234822.7A CN201210234822A CN102730893B CN 102730893 B CN102730893 B CN 102730893B CN 201210234822 A CN201210234822 A CN 201210234822A CN 102730893 B CN102730893 B CN 102730893B
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Abstract
The invention relates to a waste water microwave photocatalytic degradation processing unit for preventing a membrane separation component from thermal etching damage, which belongs to the technical field of waste water processing. According to the conventional microwave photocatalytic degradation technology aiming at the industrial waste water containing organic pollutants, metal particles, carbon particles and the like which are inevitably adsorbed on the surface of the organic matter membrane separation component are good absorbing medium for microwave energy so as to generate the thermal etching damage problem of the membrane separation component, and in addition, the outer side surface of a quartz tube used for an electrodeless ultraviolet lamp screen shielding in a device generates the scaling phenomenon after being dipped in waste water liquid, the permeability of the quartz tube on ultraviolet is affected, and the processing efficiency of a microwave photocatalytic reaction device is lowered. According to the scheme disclosed by the invention, the problems are solved completely. According to the scheme, the membrane separation component is hidden in a box cage shaped microwave shielding cover made of metal so as to restrain the thermal etching damage problem, and a scale layer is instantly removed by high-frequency ultrasonic wave.
Description
Technical field
The present invention relates to a kind of membrane separation assemblies and avoid the waste water microwave and photo catalysis degradation treatment device of heat etching damage, belong to C02F technical field of waste water processing.
Background technology
Microwave and photo catalysis degradation treatment technology, as a kind of, effectively for the innoxious process for treating containing organic pollutant trade effluent, development in recent years is swift and violent.
About microwave and photo catalysis degradation technique, as an example, the Chinese patent application case that can be CN102260003A referring to publication number.
The disclosure number is the Chinese patent application case of CN102260003A, to using microwave as excitaton source, excite electrodeless ultraviolet lamp transmitting ultraviolet ray, in liquid internal, irradiate the suspension liquid that is mixed with photocatalyst titanium dioxide, this electrodeless ultraviolet lamp is shrouded and is protecting by silica tube, there is pneumatic pump to continue to inject air to this silica tube inner chamber, the air being overflowed by quartz cavity is via pipeline and the micro porous aeration head UNICOM that is positioned at reactor bottom, the lower zone of this inside reactor is aeration zone, the upper area of this inside reactor is microwave and photo catalysis reaction zone, this scheme is also with the built-in membrane separation assemblies of reactor, carry the water of analysing after purification, and with this membrane separation assemblies, realize holding back again of photocatalyst titanium dioxide fine particles and use, this scheme is also set up dividing plate between non-polar ultraviolet light source and membrane separation assemblies, for preventing the radiation injury of ultraviolet ray to organic membrane separation assemblies, pass into the air of inside reactor, part is participated in the photocatalytic degradation reaction that relies on photocatalyst titanium dioxide directly, some air, under the direct irradiation of UV-light, generate a certain amount of ozone, the ozone of this generation is also being brought into play the direct oxidative degradation for organic pollutant certainly.
The disclosure is number for the Chinese patent application case of CN102260003A is certainly for very important pushing effect has been played in the progress of microwave and photo catalysis wastewater degradation technology, and the work that its research staff launches in this field is admirable.
Accept the described trade effluent of microwave and photo catalysis degradation treatment, the material that is wherein mingled with unavoidably some metal particles that originate from mechanical system abrasion process and carbon granules and so on, even if quantity is small, its existence is almost difficult to avoid, described organic membrane separation assemblies in the Chinese patent application case that the disclosure number is CN102260003A is installed in microwave and photo catalysis reaction zone, being installed in wherein do not stop microwave certainly for intercepting ultraviolet dividing plate between silica tube and membrane separation assemblies, so, the practical function region of microwave must cover region that organic membrane separation assemblies is installed described in this scheme, working mechanism based on membrane separation assemblies, its accumulation process on the organic top layer of membrane separation assemblies of the particulate of metal particle as above and carbon granules and so on is difficult to avoid, and the particulate of metal particle and carbon granules and so on described in this type of, the good absorption medium of microwave energy exactly, absorbed the particulate of the described metal particle of accumulation state of microwave energy and carbon granules and so on, the top layer of the organic membrane separation assemblies that can be close to it of nature produce based on heat penetration erosion mechanism continue pierce destruction, as mentioned above, due to the structures shape of this its device of CN102260003A application case can only select polyvinylidene fluoride film material, approximately 140 degrees Celsius of this polyvinylidene fluoride film material heatproofs, really high more many than general film material heatproof, yet, the heat penetration erosion effect that its point-like of particulate that has absorbed the described metal particle of accumulation state of microwave energy and carbon granules and so on is pierced formula very easily breaks through the heatproof temperature limit of this polyvinylidene fluoride film material, for above-mentioned reasons, well imagine, pvdf membrane material in its device of this CN 102260003A application case will be significantly less than expected desirable work-ing life its actual service life, the structure of this its device of CN102260003A application case, determined under this structural framing, the heat penetration erosion destruction problem that above-mentioned point-like is pierced formula cannot be avoided.
On the other hand, in the disclosure number, be in the expressed apparatus structure of the Chinese patent application case of CN102260003A, for shielding the silica tube that protects electrodeless ultraviolet lamp, its outer wall, refers to the outer wall of silica tube, through for a long time with the contacting of processed trade effluent, incrustation gradually unavoidably, the long-pending material of dirt is to be mainly difficult for by the mineral-type impurity that light-catalyzed reaction touched certainly, and the incrustation phenomenon because this mechanism forms is easy to be observed after equipment long-play; Be attached to the dirty lamination of described silica tube outer wall, although be very thin one deck, be also enough to the ultraviolet radiation of electrodeless ultraviolet lamp to cause significantly and stop, this will cause the actual treatment effect of this microwave and photo catalysis reaction treating device significantly to reduce; In the use procedure of laboratory yardstick, above-mentioned incrustation problem is subtle, and still, on industrial application yardstick, this incrustation problem certainly will highlight; Therefore, how not shutting down, do not tear open under the prerequisite of machine, immediately, effectively removing the dirty lamination on this silica tube outer wall, maintain the lasting high-level efficiency of this microwave and photo catalysis treatment unit, is another technical problem meriting attention.
Summary of the invention
Technical problem to be solved by this invention is, for the weak point existing in above-mentioned CN102260003A application case,, the described point-like to membrane separation assemblies of bringing because of this case constructional feature and operating mechanism is pierced the heat penetration erosion destruction problem of formula, and, the instant removing problem of described silica tube outer wall dirt lamination is researched and developed a kind of novel waste water microwave and photo catalysis degradation treatment device that can address the above problem totally.
The present invention solve the technical problem by following scheme, this scheme provides a kind of membrane separation assemblies to avoid the waste water microwave and photo catalysis degradation treatment device of heat etching damage, the structure of this device comprises reactor, barrel-shaped or the drum-shaped in its appearance profile side of being of this reactor, and, water distribution board, this water distribution board is the plate object that contains many holes, the solarization air cell that this water distribution board is separated into the internal space of reactor superposed microwave and photo catalysis reaction chamber and is positioned at bottom, in this solarization air cell, be equiped with some micro porous aeration heads, and, silica tube, the decorating position of this silica tube is the inside at described microwave and photo catalysis reaction chamber, the two ends of this silica tube are equiped with shutoff headkerchief, lay respectively on the described shutoff headkerchief at silica tube two ends and all offer for connecting the interface of tracheae, and, electrodeless ultraviolet lamp, this electrodeless ultraviolet lamp is bar-shaped, ring-type, spherical, starfish shape or sea urchin shape, the quantity of this electrodeless ultraviolet lamp is at least more than one, this quantity is at least all erected at the inside of described silica tube at more than one electrodeless ultraviolet lamp, and, pneumatic pump, this pneumatic pump is installed in the outside of reactor, described interface on its one end capping head of described silica tube sees through the wall of reactor and the air outlet UNICOM of described pneumatic pump via pipeline, described interface on its other end shutoff headkerchief of described silica tube is via pipeline and the micro porous aeration head UNICOM that is positioned at described solarization air cell, and, microwave generator, this microwave generator is installed in the outside of reactor, this microwave generator is magnetron, this microwave generator is connected with reactor via waveguide, and, membrane separation assemblies, this membrane separation assemblies is installed in the inside of microwave and photo catalysis reaction chamber, and, dividing plate, this dividing plate is used for intercepting ultraviolet ray, this dividing plate is the position being erected between silica tube and membrane separation assemblies, and, water pump, this water pump is positioned at the outside of reactor, this membrane separation assemblies is via pipeline and see through the wall of reactor and the water-in UNICOM of water pump, the water outlet of this water pump and the water purifying tank UNICOM that is positioned at reactor outside, and, another water pump, this another water pump is positioned at the outside of reactor, the water outlet of this another water pump also sees through wall and the UNICOM of described solarization air cell of reactor via pipeline, the water-in of this another water pump and the polluted water pond UNICOM that is positioned at reactor outside, the top of this microwave and photo catalysis reaction chamber offers exhaust port, emphasis is, the structure of this reactor also comprises the boxes and baskets shape micro-wave screening cover of metal material, on this boxes and baskets shape micro-wave screening cover, contain many holes, the installation position of this boxes and baskets shape micro-wave screening cover is the inside at described microwave and photo catalysis reaction chamber, this boxes and baskets shape micro-wave screening cover is the member for membrane separation assemblies and microwave source are kept apart, this boxes and baskets shape micro-wave screening cover shrouds described membrane separation assemblies wherein, and, shaft-like ultrasonic probe, the working end of this shaft-like ultrasonic probe is equiped with ultrasonic transducer, the top that this shaft-like ultrasonic probe sees through described reactor is deep into described microwave and photo catalysis reaction chamber inside, and, HF oscillation electric signal producer, and, HF oscillation electric signal transmission cable, one end of this HF oscillation electric signal transmission cable is connected with this HF oscillation electric signal producer, the other end of this HF oscillation electric signal transmission cable is connected with this shaft-like ultrasonic probe.
The boxes and baskets shape micro-wave screening cover of described metal material, its appearance profile is box-shaped, this appearance profile is on the member of box-shaped and contains many holes, the effect of this member, membrane separation assemblies and microwave radiation should be kept apart, the liquid form mixt that contains photocatalyst that guarantees again inside reactor can fully contact with membrane separation assemblies, does not hinder itself normal function and running of membrane separation assemblies.
Described metal material one word, the art-recognized meanings of itself, is known.
In addition, in view of the peculiar microwave radiation environment of this inside reactor, the shaft-like ultrasonic probe that can resist microwave interference and damage is preferred shaft-like ultrasonic probe, and therefore, the preferred shaft-like ultrasonic probe that is suitable for this case is the shaft-like ultrasonic probe with the armouring of metal shell.The shaft-like ultrasonic probe with the armouring of metal shell can customize to ultrasonic device specialized factory.
No matter whether described shaft-like ultrasonic probe is the shaft-like ultrasonic probe with the armouring of metal shell, further always useful for the shielding of microwave, based on this, consider, can further be coated micro-wave screening thing in the periphery of described shaft-like ultrasonic probe, this micro-wave screening thing can be the micro-wave screening cover that is sleeve-shaped, this sleeve-shaped micro-wave screening cover is that microwave for preventing inside reactor is to the interference of described shaft-like ultrasonic probe and damage, this sleeve-shaped micro-wave screening puts and offers many holes, the material of this sleeve-shaped micro-wave screening cover is metal material, described shaft-like ultrasonic probe is sleeved on wherein by described sleeve-shaped micro-wave screening cover.
Described magnetron, and, the expression such as waveguide device, waveguide, waveguide are first-class, its art-recognized meanings is known for the professional of microwave technical field.Described magnetron, and waveguide etc., all have commercially available; Described waveguide is self manufacture as required, and this making is for the professional of microwave technical field, and the making of waveguide device is simple.
Described silica tube, its art-recognized meanings is known; Described silica tube market is on sale.
Described electrodeless ultraviolet lamp, its art-recognized meanings is known for the professional of light sources technical field; Described electrodeless ultraviolet lamp market is on sale; Its shape of described electrodeless ultraviolet lamp, size, inner institute blanketing gas, lamp wall material, lamp wall thickness, etc., also can, according to specific design needs, to electric light source manufacturing concern, customize.Certainly, also can self manufacture.The making of electrodeless ultraviolet lamp is for possessing the professional of electric light source expertise, and its manufacturing technology is simple.
Described water pump, pneumatic pump, without oil gas pump, micro porous aeration head, membrane separation assemblies etc., its art-recognized meanings, for the professional of its corresponding technical field, is all known, and all has commercially available.
Shaft-like ultrasonic probe in this case device, that described microwave and photo catalysis reaction chamber inside is goed deep at the top that sees through described reactor, its ultrasonic wave of launching is to see through processed liquid that inside reactor holds to the outer side radiation of described silica tube, based on sonic oscillation effect, realize the instant removing of the incrustation of described silica tube outer side, maintain in this way the good permeability to UV-light of silica tube.
Because ultrasonic cavitation is a kind of very strong effect, low-frequency ultrasonic waves is stronger to the surface impacts of object workpiece, the cavatition of this low-frequency ultrasonic waves is not too applicable to for described silica tube outer side, because, if use for a long time this ultrasonic mechanism to radiation low-frequency ultrasonic waves in reactor, the powerful ultrasonic cavitation of this low-frequency ultrasonic waves will cause the destruction of silica tube outer side smooth finish so, and gradually to the husky glass surface form transformation of hair, this has also hindered the penetrating of UV-light to a certain extent, deviates from mutually with the original intention of this case; Yet along with the raising of selected ultrasonic frequency, cavatition weakens the damage of object workpiece gradually until can ignore; Therefore, being suitable for the preferred ultrasonic frequency of silica tube outer side described in this case is not random frequency.
As mentioned above, for avoiding ultrasonic cavitation to the husky glass surfaceization damage of the hair of silica tube outer side described in this case, the hyperacoustic preferred frequency that this shaft-like ultrasonic probe is launched at least should be more than 100KHz; Its scope of hyperacoustic preferred frequency that this shaft-like ultrasonic probe is launched is between 100KHz and 12MHz.
Meanwhile, for avoiding the damage of ultrasonic wave to the membrane separation assemblies of inside reactor, should select lower powered ultrasonic wave; The volume of reactor is depended in the selection of ultrasonic power, capacity of internal liquid, ultraviolet lamp tube quantity, silica tube quantity etc., the mode that also depends on ultrasonic emitting continues or intermittently etc. the selection of mode, and ultrasonic power can be determined according to the comprehensive consideration that needs of real reaction body system.
In the tail gas discharging at the exhaust port of this reactor, still contain utilizable ozone composition, although its content may be unremarkable, but, as a kind of oxygenant resource of preciousness, wasted, be unfortunate really, and its direct emptying meeting brings unnecessary atmospheric pollution, for this reason, can in described polluted water pond, install some micro porous aeration heads, and the micro porous aeration head of installing in this polluted water pond is connected with described exhaust port via pipeline.
Owing to having increased recycling tail gas link after described exhaust port, can cause certain tail gas loss of pressure head, for offsetting this loss of pressure head, on connecting tube between the micro porous aeration head that can install in described exhaust port and described polluted water pond, be equiped with without oil gas pump, this without oil gas pump for increasing tail gas air-flow pressure head.Described is a kind of of air pump without oil gas pump, and the described art-recognized meanings without oil gas pump is known for air pump manufacturers.Described on sale without oil gas pump market.
This without oil gas pump not necessarily.
The exhaust port of this reactor is connected not necessarily with micro porous aeration head in described polluted water pond.
Micro porous aeration head in this polluted water pond is not to install.
The structure of this case device, can also comprise some annexes, described annex for example: the cooling water recirculation system or the air cooling system that are connected with magnetron cooling duct; Described annex is also for example for being fixed on electrodeless ultraviolet lamp the fixed support within described silica tube; Described annex is for example installed in again switch, the valve on each liquid stream and airflow line, etc.
The quantity of described shaft-like ultrasonic probe can be also more than one; The quantity of described shaft-like ultrasonic probe is not limit, and the quantity of described shaft-like ultrasonic probe can be quantity arbitrarily; The quantity of described shaft-like ultrasonic probe can be set according to the comprehensive consideration that needs of practical systems.
The described quantity that includes the silica tube of electrodeless ultraviolet lamp is not limit.
The quantity of described membrane separation assemblies is not limit.
Described shaft-like ultrasonic probe is launched hyperacoustic mode, can be both the mode of transmitting that continues automatically, can be also the mode of relying on the automatic intermittent transmission of automatic timing switch, can also be the mode of the artificial open and close of section at any time as required.
Further preferred described shaft-like ultrasonic probe is the shaft-like ultrasonic probe with tetrafluoroethylene protective layer or polyvinylidene difluoride (PVDF) protective layer, and the thickness of described protective layer is between 0.1 millimeter and 7 millimeters.
Advantage of the present invention is, by installing the boxes and baskets shape micro-wave screening cover of described metal material, described membrane separation assemblies is contained in it, or say and shroud wherein, make the impact of microwave radiation cannot arrive the locations of structures of described membrane separation assemblies, based on this structure of this case, the absorption of the material that has stoped metal particle that its element surface of membrane separation assemblies adheres to and carbon granules and so on to microwave energy, and then contained the point-like heat penetration erosion destruction process of described membrane separation assemblies.
On the other hand; in this case structure; see through the top of reactor; shaft-like ultrasonic probe is from top to bottom inserted in described microwave and photo catalysis reaction chamber; see through the liquid of inside reactor; to all orientation of inside reactor, transmit ultrasonic wave; utilize high-frequency ultrasonic; do not shutting down, do not tearing open under machine prerequisite; realized the instant removing of the incrustation of described silica tube outer side; this structure of this case contributes to maintain the high penetration performance of silica tube to UV-light, contributes to maintain the lasting high-level efficiency of microwave and photo catalysis reaction unit.
And, in this case structure, insert in described microwave and photo catalysis reaction chamber at the top that shaft-like ultrasonic probe is from top to bottom seen through to reactor, this installing mode is relatively conducive to avoid the problems such as leakage of socket position, in other words, with which, the installation of shaft-like ultrasonic probe and change all more convenient.
This case technical scheme has solved described technical problem totally.
Accompanying drawing explanation
Fig. 1 is the brief perspective diagram of this case apparatus structure.
In figure, the 1st, HF oscillation electric signal producer, the 2nd, HF oscillation electric signal transmission cable, the 3rd, exhaust port, the 4th, the micro-wave screening cover of sleeve-shaped, the 5th, shaft-like ultrasonic probe, the 6th, silica tube, 7, 19 is respectively two water pumps that installation position is different, the 8th, without oil gas pump, the 9th, the micro porous aeration head of installing in polluted water pond, the 10th, the polluted water in polluted water pond, the 11st, polluted water pond, the 12nd, water purifying tank, 13Shi solarization air cell, the micro porous aeration head of installing in 14Shi solarization air cell, 15, 22 is respectively the shutoff headkerchief at silica tube two ends, the 16th, electrodeless ultraviolet lamp, the 17th, dividing plate, the 18th, membrane separation assemblies, the 20th, pneumatic pump, the 21st, magnetron, the 23rd, the boxes and baskets shape micro-wave screening cover of metal material.
Embodiment
In this case embodiment showing at Fig. 1, the structure of this device comprises reactor, barrel-shaped or the drum-shaped in its appearance profile side of being of this reactor, and, water distribution board, this water distribution board is the plate object that contains many holes, the solarization air cell 13 that this water distribution board is separated into the internal space of reactor superposed microwave and photo catalysis reaction chamber and is positioned at bottom, in this solarization air cell 13, be equiped with some micro porous aeration heads 14, and, silica tube 6, the decorating position of this silica tube 6 is the inside at described microwave and photo catalysis reaction chamber, the two ends of this silica tube 6 are equiped with shutoff headkerchief 15, 22, lay respectively at the described shutoff headkerchief 15 at silica tube 6 two ends, on 22, all offer for connecting the interface of tracheae, and, electrodeless ultraviolet lamp 16, this electrodeless ultraviolet lamp 16 is bar-shaped, this electrodeless ultraviolet lamp also can be other shape, described other shape is ring-type for example, spherical, starfish shape or sea urchin shape, the quantity of this electrodeless ultraviolet lamp 16 is at least more than one, this quantity is at least all erected at the inside of described silica tube 6 at more than one electrodeless ultraviolet lamp 16, and, pneumatic pump 20, this pneumatic pump 20 is installed in the outside of reactor, described interface on described silica tube 6 its one end capping heads 22 sees through the wall of reactor and the air outlet UNICOM of described pneumatic pump 20 via pipeline, described interface on described silica tube 6 its other end shutoff headkerchieves 15 is via pipeline and micro porous aeration head 14 UNICOMs that are positioned at described solarization air cell 13, and, microwave generator, this microwave generator is installed in the outside of reactor, this microwave generator is magnetron 21, this microwave generator is connected with reactor via waveguide, and, membrane separation assemblies 18, this membrane separation assemblies 18 is installed in the inside of microwave and photo catalysis reaction chamber, and, dividing plate 17, this dividing plate 17 is for intercepting ultraviolet ray, this dividing plate 17 is the positions that are erected between silica tube 6 and membrane separation assemblies 18, and, water pump 19, this water pump 19 is positioned at the outside of reactor, this membrane separation assemblies 18 is via pipeline and see through the wall of reactor and the water-in UNICOM of water pump 19, the water outlet of this water pump 19 and water purifying tank 12 UNICOMs that are positioned at reactor outside, and, another water pump 7, this another water pump 7 is positioned at the outside of reactor, the water outlet of this another water pump 7 also sees through wall and 13 UNICOMs of described solarization air cell of reactor via pipeline, the water-in of this another water pump 7 and polluted water pond 11 UNICOMs that are positioned at reactor outside, the top of this microwave and photo catalysis reaction chamber offers exhaust port 3, emphasis is, the structure of this reactor also comprises the boxes and baskets shape micro-wave screening cover 23 of metal material, on this boxes and baskets shape micro-wave screening cover 23, contain many holes, the installation position of this boxes and baskets shape micro-wave screening cover 23 is the inside at described microwave and photo catalysis reaction chamber, this boxes and baskets shape micro-wave screening cover 23 is the members for membrane separation assemblies 18 and microwave source are kept apart, this boxes and baskets shape micro-wave screening cover 23 shrouds described membrane separation assemblies 18 wherein, and, shaft-like ultrasonic probe 5, the working end of this shaft-like ultrasonic probe 5 is equiped with ultrasonic transducer, it is inner that the top that this shaft-like ultrasonic probe 5 sees through described reactor is deep into described microwave and photo catalysis reaction chamber, and, HF oscillation electric signal producer 1, and, HF oscillation electric signal transmission cable 2, one end of this HF oscillation electric signal transmission cable 2 is connected with this HF oscillation electric signal producer 1, the other end of this HF oscillation electric signal transmission cable 2 is connected with this shaft-like ultrasonic probe 5.
The boxes and baskets shape micro-wave screening cover 23 of described metal material, its appearance profile is box-shaped, this appearance profile is on the member of box-shaped and contains many holes, the effect of this member, membrane separation assemblies 18 and microwave radiation should be kept apart, the liquid form mixt that contains photocatalyst that guarantees again inside reactor can fully contact with membrane separation assemblies 18, does not hinder itself normal function and running of membrane separation assemblies 18.
Described metal material one word, the art-recognized meanings of itself, is known.
Due to the peculiar microwave radiation environment of this inside reactor, the shaft-like ultrasonic probe that can resist microwave interference and damage is preferred shaft-like ultrasonic probe, therefore the preferred shaft-like ultrasonic probe that, is suitable for this case is the shaft-like ultrasonic probe with the armouring of metal shell.The shaft-like ultrasonic probe with the armouring of metal shell can customize to ultrasonic device specialized factory.
No matter whether described shaft-like ultrasonic probe is the shaft-like ultrasonic probe with the armouring of metal shell, further always useful for the shielding of microwave, based on this, consider, can further be coated micro-wave screening thing in the periphery of described shaft-like ultrasonic probe, this micro-wave screening thing can be the micro-wave screening cover that is sleeve-shaped, this sleeve-shaped micro-wave screening cover 4 is that microwave for preventing inside reactor is to the interference of described shaft-like ultrasonic probe 5 and damage, on this sleeve-shaped micro-wave screening cover 4, offer many holes, the material of this sleeve-shaped micro-wave screening cover 4 is metal materials, described shaft-like ultrasonic probe 5 is sleeved on wherein by described sleeve-shaped micro-wave screening cover 4.
For avoiding ultrasonic cavitation to the husky glass surfaceization damage of the hair of silica tube outer side described in this case, the hyperacoustic preferred frequency that this shaft-like ultrasonic probe 5 is launched at least should be more than 100KHz; Its scope of hyperacoustic preferred frequency that this shaft-like ultrasonic probe 5 is launched is between 100KHz and 12MHz.
Meanwhile, for avoiding the damage of ultrasonic wave to the membrane separation assemblies 18 of inside reactor, should select lower powered ultrasonic wave; The volume of reactor is depended in the selection of ultrasonic power, capacity of internal liquid, ultraviolet lamp tube quantity, silica tube quantity etc., the mode that also depends on ultrasonic emitting continues or intermittently etc. the selection of mode, and ultrasonic power can be determined according to the comprehensive consideration that needs of real reaction body system.
The hyperacoustic mode of described shaft-like ultrasonic probe 5 transmitting, can be both the mode of transmitting that continues automatically, can be also the mode of relying on the automatic intermittent transmission of automatic timing switch, can also be the mode of the artificial open and close of section at any time as required.
The quantity of described shaft-like ultrasonic probe can be also more than one; The quantity of described shaft-like ultrasonic probe is not limit, and the quantity of described shaft-like ultrasonic probe can be quantity arbitrarily, and for example one, two, three, four, five, six, etc.; The quantity of described shaft-like ultrasonic probe can be set according to the comprehensive consideration that needs of practical systems.
Described is a kind of of air pump without oil gas pump 8, and the described art-recognized meanings without oil gas pump 8 is known for air pump manufacturers.Described on sale without oil gas pump 8 markets.
In this case structure, the described installing without oil gas pump 8 is optional.
The exhaust port 3 of this reactor is connected not necessarily with micro porous aeration head 9 in described polluted water pond 11.
Micro porous aeration head 9 in this polluted water pond 11 is not to install.
Described shaft-like ultrasonic probe 5 and HF oscillation electric signal producer 1 all have commercially available.
Further preferred described shaft-like ultrasonic probe is the shaft-like ultrasonic probe with tetrafluoroethylene protective layer or polyvinylidene difluoride (PVDF) protective layer, and the thickness of described protective layer is between 0.1 millimeter and 7 millimeters.
Only with regard to tetrafluoroethylene paint-on technique and polyvinylidene difluoride (PVDF) paint-on technique itself, for the professional of macromolecular material applied technical field, be known.
Insert in described microwave and photo catalysis reaction chamber at the top that shaft-like ultrasonic probe 5 is from top to bottom seen through to reactor, this installing mode is relatively conducive to avoid the problems such as leakage of socket position, in other words, with which, the installation of shaft-like ultrasonic probe and change all more convenient.
In enforcement legend, do not draw described other annex.
The embodiment of this case is not limited to legend mode.
Claims (4)
1. membrane separation assemblies is avoided the waste water microwave and photo catalysis degradation treatment device of heat etching damage, the structure of this device comprises reactor, barrel-shaped or the drum-shaped in its appearance profile side of being of this reactor, and, water distribution board, this water distribution board is the plate object that contains many holes, the solarization air cell that this water distribution board is separated into the internal space of reactor superposed microwave and photo catalysis reaction chamber and is positioned at bottom, in this solarization air cell, be equiped with some micro porous aeration heads, and, silica tube, the decorating position of this silica tube is the inside at described microwave and photo catalysis reaction chamber, the two ends of this silica tube are equiped with shutoff headkerchief, lay respectively on the described shutoff headkerchief at silica tube two ends and all offer for connecting the interface of tracheae, and, electrodeless ultraviolet lamp, this electrodeless ultraviolet lamp is bar-shaped, ring-type, spherical, starfish shape or sea urchin shape, the quantity of this electrodeless ultraviolet lamp is at least more than one, this quantity is at least all erected at the inside of described silica tube at more than one electrodeless ultraviolet lamp, and, pneumatic pump, this pneumatic pump is installed in the outside of reactor, described interface on its one end capping head of described silica tube sees through the wall of reactor and the air outlet UNICOM of described pneumatic pump via pipeline, described interface on its other end shutoff headkerchief of described silica tube is via pipeline and the micro porous aeration head UNICOM that is positioned at described solarization air cell, and, microwave generator, this microwave generator is installed in the outside of reactor, this microwave generator is magnetron, this microwave generator is connected with reactor via waveguide, and, membrane separation assemblies, this membrane separation assemblies is installed in the inside of microwave and photo catalysis reaction chamber, and, dividing plate, this dividing plate is used for intercepting ultraviolet ray, this dividing plate is the position being erected between silica tube and membrane separation assemblies, and, water pump, this water pump is positioned at the outside of reactor, this membrane separation assemblies is via pipeline and see through the wall of reactor and the water-in UNICOM of water pump, the water outlet of this water pump and the water purifying tank UNICOM that is positioned at reactor outside, and, another water pump, this another water pump is positioned at the outside of reactor, the water outlet of this another water pump also sees through wall and the UNICOM of described solarization air cell of reactor via pipeline, the water-in of this another water pump and the polluted water pond UNICOM that is positioned at reactor outside, the top of this microwave and photo catalysis reaction chamber offers exhaust port, it is characterized in that, the structure of this reactor also comprises the boxes and baskets shape micro-wave screening cover of metal material, on this boxes and baskets shape micro-wave screening cover, contain many holes, the installation position of this boxes and baskets shape micro-wave screening cover is the inside at described microwave and photo catalysis reaction chamber, this boxes and baskets shape micro-wave screening cover is the member for membrane separation assemblies and microwave source are kept apart, this boxes and baskets shape micro-wave screening cover shrouds described membrane separation assemblies wherein, and, shaft-like ultrasonic probe, the working end of this shaft-like ultrasonic probe is equiped with ultrasonic transducer, the top that this shaft-like ultrasonic probe sees through described reactor is deep into described microwave and photo catalysis reaction chamber inside, and, HF oscillation electric signal producer, and, HF oscillation electric signal transmission cable, one end of this HF oscillation electric signal transmission cable is connected with this HF oscillation electric signal producer, the other end of this HF oscillation electric signal transmission cable is connected with this shaft-like ultrasonic probe, and, sleeve-shaped micro-wave screening cover, this sleeve-shaped micro-wave screening cover is that microwave for preventing inside reactor is to the interference of described shaft-like ultrasonic probe and damage, this sleeve-shaped micro-wave screening puts and offers many holes, the material of this sleeve-shaped micro-wave screening cover is metal material, described shaft-like ultrasonic probe is sleeved on wherein by described sleeve-shaped micro-wave screening cover, its frequency of ultrasonic wave that this shaft-like ultrasonic probe is launched is between 100KHz and 12MHz, described polluted water is also equiped with some micro porous aeration heads in pond, in this polluted water pond, the micro porous aeration head of installing is connected with described exhaust port via pipeline, on connecting tube between the micro porous aeration head of installing in described exhaust port and described polluted water pond, be equiped with without oil gas pump, this without oil gas pump for increasing tail gas air-flow pressure head.
2. membrane separation assemblies according to claim 1 is avoided the waste water microwave and photo catalysis degradation treatment device of heat etching damage, it is characterized in that, this shaft-like ultrasonic probe is the shaft-like ultrasonic probe with the armouring of metal shell.
3. membrane separation assemblies according to claim 1 is avoided the waste water microwave and photo catalysis degradation treatment device of heat etching damage, it is characterized in that, the quantity of described shaft-like ultrasonic probe is more than one.
4. membrane separation assemblies according to claim 1 is avoided the waste water microwave and photo catalysis degradation treatment device of heat etching damage; it is characterized in that; described shaft-like ultrasonic probe is the shaft-like ultrasonic probe with tetrafluoroethylene protective layer or polyvinylidene difluoride (PVDF) protective layer, and the thickness of described protective layer is between 0.1 millimeter and 7.0 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN103058316A (en) * | 2012-12-13 | 2013-04-24 | 宁波大学 | High-capacity wastewater degradation device with both microwave and photochemical catalysis coupling effects |
| CN103214127A (en) * | 2013-03-23 | 2013-07-24 | 宁波大学 | Electrodeless ultraviolet light catalysis wastewater degradation reactor capacity expansion method without energy waste |
| CN103183436A (en) * | 2013-03-23 | 2013-07-03 | 宁波大学 | Large handling capacity photocatalytic reactor for wastewater degradation by automatic stop at process ending |
| CN103214060A (en) * | 2013-03-23 | 2013-07-24 | 宁波大学 | Large-capacity reactor capable of initiatively distinguishing reaction endpoint and used for photocatalytic wastewater degradation |
| CN103288266B (en) * | 2013-04-25 | 2016-01-13 | 宁波大学 | Weak cavitation high frequency ultrasound helps the wastewater photocatalytic degradation reactor of film anti-attachment |
| CN110534225A (en) * | 2019-09-20 | 2019-12-03 | 中国工程物理研究院应用电子学研究所 | A kind of microwave heating equipment in the dry bucket of radioactive liquid waste with high salt |
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| US5068030A (en) * | 1990-11-09 | 1991-11-26 | Oxford Science Industrial Co., Ltd. | Water filtering sterilizing and heating apparatus |
| CN2437661Y (en) * | 2000-07-28 | 2001-07-04 | 宋永久 | Microwave sterilizing tank |
| CN1872710A (en) * | 2005-06-02 | 2006-12-06 | 上海万森水处理有限公司 | Sterilizing unit of ultraviolet radiation for water body cleaned by ultrasonic |
| CN101055106A (en) * | 2007-01-31 | 2007-10-17 | 蒋遂安 | Method and apparatus for quickly and deeply purifying air or water or other fluid at low cost |
| CN201458790U (en) * | 2009-09-09 | 2010-05-12 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Water treatment device combining ultraviolet disinfection and ultrasound |
| CN102260003A (en) * | 2011-05-31 | 2011-11-30 | 武汉纺织大学 | Microwave electrodeless ultraviolet photocatalysis-double membrane separation coupled treatment device for industrial wastewater |
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